Fireproof and soundproof wallboard for expressway

Abstract

The invention discloses a fireproof and soundproof wallboard for an expressway, and belongs to the field of soundproof wallboards. Comprising two supports, and a plurality of wallboard bodies are arranged between the two supports; a first mounting head is fixedly connected to the top of the support located on the left side of the wallboard body, a second mounting head is fixedly connected to the top of the support located on the right side of the wallboard body, and a mounting base is fixedly connected between the first mounting head and the second mounting head; the front surface of the first mounting head and the front surface of the second mounting head are fixedly connected with a first mounting plate and a second mounting plate respectively, the opposite sides of the first mounting plate and the second mounting plate are rotationally connected with a first shaft column and a second shaft column through rotating shafts respectively, and the opposite ends of the first shaft column and the second shaft column are jointly and fixedly connected with a dust falling cylinder. According to the device, expressway protection sound insulation wall bodies are formed in a splicing mode, the device can be conveniently installed on the road surface in a threaded connection mode through the fixing bases, the wallboard bodies are conveniently spliced through the connecting strips, sound insulation barriers on the two sides of a highway are formed, and sound insulation and fire prevention plate bodies are formed through the base plates, the sound insulation layers and the fire prevention layers.

Description

Technical Field

[0001] The invention relates to the field of sound insulation wall panels, in particular to a fireproof sound insulation wall panel for a highway. Background Art

[0002] Cars will generate a lot of noise when driving on the highway, so soundproof wall panels are needed to reduce the impact of car noise on residents near the highway;

[0003] Patent: CN205907890U discloses a portable soundproof wall panel, including a panel body, wherein the panel body includes a soundproof board, and the front and back sides of the soundproof board are provided with a substrate and a buffer sound insulation layer, wherein the substrate is located on the outermost side, and the buffer sound insulation layer is located between the soundproof board and the substrate. The side wall of the panel body is also provided with a groove, and the other corresponding side wall is provided with a ridge matching the groove, and the groove and the ridge are also provided with a number of matching threaded holes, and the buffer sound insulation layer is a three-layer composite structure, with a honeycomb buffer panel in the middle and polyester fiberboard or glass fiberboard on both sides. It can be disassembled for easy handling and carrying, and the ridge and groove structure is designed to facilitate assembly by the staff. At the same time, threaded holes are provided to well fix the interconnected parts. It adopts a multi-layer structure, and each layer of the structure has the effect of isolating noise, and the buffer sound insulation layer also provides a buffering effect, which greatly improves the compressive strength;

[0004] The fireproof and soundproof wall panels used in highways in the prior art only play a fireproof and soundproofing effect when used, and the overall area is large, so the wind-exposed area is large. In windy weather, the wind force it receives is also relatively strong, and the entire highway sound barrier is easily blown down by the wind. In addition, the highway cannot be dusted, so improvements are needed. For this reason, we propose a fireproof and soundproof wall panel for highways. Summary of the invention

[0005] Purpose of the invention: The purpose of the present invention is to provide a road sound barrier with a small wind-exposed area and a relatively small wind force in windy weather, so that the entire road sound barrier is not easily blown down by the wind; another purpose of the present invention is to provide a wall panel that can carry out dust reduction treatment on roads.

[0006] Technical solution: A highway fireproof and soundproof wall panel, comprising a bracket, wherein the number of the brackets is two, and a plurality of wall panel bodies are arranged between the two brackets;

[0007] The top of the bracket located on the left side of the wall panel body is fixedly connected with a mounting head 1, and the top of the bracket located on the right side of the wall panel body is fixedly connected with a mounting head 2, a mounting seat is fixedly connected between the mounting head 1 and the mounting head 2, the front surface of the mounting head 1 and the front surface of the mounting head 2 are respectively fixedly connected with a mounting plate 1 and a mounting plate 2, the opposite sides of the mounting plate 1 and the mounting plate 2 are respectively rotatably connected with a shaft column 1 and a shaft column 2 through a rotating shaft, and the opposite ends of the shaft column 1 and the shaft column 2 are commonly fixedly connected with a dust suppression cylinder;

[0008] An L-shaped mounting bracket is fixedly connected to the right side of the interior of the mounting seat, a motor is fixedly connected between the L-shaped mounting bracket and the mounting seat, the right end of the output shaft of the motor passes through the inner side of the second mounting head and is fixedly connected with a transmission tooth 1, the outer side wall of the output shaft of the motor is located on the inner side of the second mounting head and is fixedly connected with a toggle tooth 1, the left side of the interior of the second mounting head is rotatably connected with a rotating rod through a rotating shaft, the outer side wall of the rotating rod is fixedly connected with a transmission tooth 2, the transmission tooth 1 is meshed with the transmission tooth 2, the right end of the rotating rod passes through the right side of the second mounting head and is fixedly connected with the toggle tooth 2;

[0009] The outer side wall of the shaft column 2 is located on the left and right of the mounting plate 2 and is respectively fixedly connected with a gear 1 and a gear 2.

[0010] Furthermore, a storage battery and a charge and discharge controller are fixedly mounted on the inner lower surface of the mounting base in sequence from left to right, and a solar panel is fixedly connected to the top of the mounting base.

[0011] Furthermore, a fixing seat is fixedly connected to the rear surface of the bracket, and connecting strips are fixedly connected to the opposite sides of the two brackets.

[0012] Furthermore, the rear surfaces of the two brackets are commonly fixedly connected to a water tank, a water pump is fixedly connected to the inner left side of the mounting seat, a water pump pipe is fixedly connected between the input end of the water pump and the water tank, and a drainage pipe is connected between the output end of the water pump and the dust suppression cylinder.

[0013] Furthermore, a filter screen is installed on the inner side of the water storage tank by means of bolts.

[0014] Furthermore, the bracket is an internal hollow structure, and both sides of the wall panel body are located inside the bracket and are fixedly connected with round rods, the round rods are rotatably connected to the bracket via a rotating shaft, and the outer side wall of the round rod is fixedly connected with a traction head, and both sides of multiple traction heads inside the same bracket are rotatably connected with traction rods via a rotating shaft, and the traction rod is fixedly connected with a fixing plate 1 on the side away from the traction head, and a vertical rod is slidably connected inside the fixing plate 1, and both ends of the vertical rod are fixedly connected to the inner side of the bracket with fixing plates 2, and a spring 1 is fixedly connected to the outer side wall of the vertical rod on the opposite sides of the fixing plate 1 and the fixing plate 2.

[0015] Furthermore, the wall panel body includes a base plate, the front surface and the rear surface of the base plate are both fixedly connected with a sound insulation layer, and the side of the sound insulation layer away from the base plate is fixedly connected with a fireproof layer.

[0016] Furthermore, the outer wall of the shaft column 1 is fixedly connected with a retaining ring, and a plurality of limiting columns are slidably connected inside the retaining ring. A plurality of limiting holes are opened on the left side of the dust suppression cylinder. The right end of the limiting column is located inside the limiting hole and is fixedly connected with a conical limiting head. The conical limiting head is on the opposite side of the retaining ring and is fixedly connected with a spring 2 located on the outside of the limiting column.

[0017] Furthermore, the dust suppression cylinder is slidably connected to the inside of a movable plate, a plurality of abutment joints are fixedly connected to the left side of the movable plate, and the opposite sides of the plurality of abutment joints respectively penetrate into the inner sides of the plurality of limiting holes, a bellows is fixedly connected to the left side of the movable plate, a water spray pipe is fixedly connected to the right end of the bellows, a spring three is fixedly connected between the water spray pipe and the dust suppression cylinder, a plurality of water outlet connectors are rollingly installed on the outer side wall of the water spray pipe, a plurality of spray heads are rollingly installed on the outer side wall of the dust suppression cylinder, the water outlet connector is fixedly connected to the opposite end of the spray head, and the left end of the bellows is rotatably connected to the right end of the drain pipe via a rotating shaft.

[0018] Beneficial effects: The device is assembled into a highway protective soundproof wall body, which is conveniently screwed and installed on the road surface through a fixing seat, and is conveniently assembled between the wall panels through a connecting strip to form a soundproof barrier on both sides of the highway. The soundproof and fireproof board body is formed through a base plate, a soundproof layer and a fireproof layer.

[0019] When the device is in use, when the dust suppression cylinder sprays water to suppress dust, the motor can be started to drive the toggle gear 1 and the transmission gear 1 to rotate, and the gear 1 can be toggled to rotate by toggling the gear 1, thereby toggling the dust suppression cylinder to swing slightly, so that the dust suppression cylinder can spray water more widely. When the toggle gear 1 is disengaged from the gear 1, the toggle gear 2 will contact and drive with the gear 2, so that the dust suppression cylinder can be rotated and reset. In this way, the dust suppression cylinder can rotate back and forth slightly to spray water during the process of spraying water and suppressing dust, so that the water spraying is more comprehensive and the dust suppression effect is better.

[0020] During the rotation of the dust suppression cylinder, the conical limit head will be repeatedly inserted into or pulled out of the limit hole, so that the abutment joint will be repeatedly squeezed, and then under the elastic contraction of the spring, when the dust suppression cylinder rotates, the water spray pipe will repeatedly move left and right inside the dust suppression cylinder, and then under the pull of the water outlet connector, the spray head can be driven to swing left and right, further increasing the lateral spraying range and improving the dust suppression effect of water spraying;

[0021] The device uses multiple wall panels with small footprints to form a fireproof and soundproof wall, which protects both sides of the highway. When the external wind is too strong, the wall panel bodies can be rotated through the set round rods, so that the protective body composed of multiple wall panel bodies can be opened, thereby avoiding problems such as the entire device being blown away due to excessive wind. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a front view structural schematic diagram of the present invention;

[0023] Figure 2 It is a rear view structural schematic diagram of the present invention;

[0024] Figure 3 It is a schematic diagram of a partial cross-sectional connection structure of a bracket and a wall panel body of the present invention;

[0025] Figure 4 is a rear structural schematic diagram of the mounting base of the present invention;

[0026] Figure 5 It is a schematic diagram of the connection structure of the retaining ring and the limiting column of the present invention;

[0027] Figure 6 It is a schematic cross-sectional structural diagram of the dust suppression cylinder of the present invention;

[0028] Figure 7 It is a side structural schematic diagram of a vertical cross section of a wall panel body of the present invention.

[0029] In the figure: 1, bracket; 2, wall panel body; 3, mounting head 1; 4, mounting head 2; 5, mounting seat; 6, mounting plate 1; 7, mounting plate 2; 8, shaft column 1; 9, shaft column 2; 10, dust suppression cylinder; 11, L-shaped mounting frame; 12, motor; 13, transmission gear 1; 14, toggle gear 1; 15, rotating rod; 16, transmission gear 2; 17, toggle gear 2; 18, gear 1; 19, gear 2; 20, battery; 21, charge and discharge controller; 22, fixing seat; 23, connecting strip; 24, water tank; 25, water pump; 26, pump Water pipe; 27. Drain pipe; 28. Filter; 29. ​​Round rod; 30. Towing head; 31. Towing rod; 32. Fixed plate 1; 33. Vertical rod; 34. Fixed plate 2; 35. Spring 1; 36. Retaining ring; 37. Limiting column; 38. Limiting hole; 39. Conical limiting head; 40. Spring 2; 41. Moving plate; 42. Solar panel; 43. Butt joint; 44. Bellows; 45. Spray pipe; 46. Spring 3; 47. Water outlet connector; 48. Spray head; 201. Base plate; 202. Sound insulation layer; 203. Fireproof layer. DETAILED DESCRIPTION

[0030] In order to make the technical solution of the present invention clearer, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0031] Example 1

[0032] like Figure 2 and Figure 7 As shown, a highway fireproof and soundproof wallboard is provided, which includes a bracket 1, the number of the brackets 1 is two, and a plurality of wallboard bodies 2 are arranged between the two brackets 1;

[0033] A fixing seat 22 is fixedly connected to the rear surface of the bracket 1, and connecting strips 23 are fixedly connected to the opposite sides of the two brackets 1;

[0034] The wall panel body 2 includes a base plate 201, the front surface and the rear surface of the base plate 201 are fixedly connected with a sound insulation layer 202, and the side of the sound insulation layer 202 away from the base plate 201 is fixedly connected with a fireproof layer 203;

[0035] The device is assembled into a highway protection sound insulation wall body, which is conveniently screwed and installed on the road surface through a fixing seat 22, and is conveniently assembled between the wall panel bodies 2 through a connecting strip 23 to form a sound insulation barrier on both sides of the highway, and a sound insulation and fireproof board body is formed through a base plate 201, a sound insulation layer 202 and a fireproof layer 203;

[0036] like Figure 1 and Figure 4As shown, the top of the bracket 1 located on the left side of the wall panel body 2 is fixedly connected with a mounting head 1 3, the top of the bracket 1 located on the right side of the wall panel body 2 is fixedly connected with a mounting head 2 4, a mounting seat 5 is fixedly connected between the mounting head 1 3 and the mounting head 2 4, the front surface of the mounting head 1 3 and the front surface of the mounting head 2 4 are respectively fixedly connected with a mounting plate 1 6 and a mounting plate 2 7, the opposite sides of the mounting plate 1 6 and the mounting plate 2 7 are respectively rotatably connected with a shaft column 1 8 and a shaft column 2 9 through a rotating shaft, and the opposite ends of the shaft column 1 8 and the shaft column 2 9 are commonly fixedly connected with a dust suppression cylinder 10;

[0037] An L-shaped mounting bracket 11 is fixedly connected to the right side of the mounting seat 5, and a motor 12 is fixedly connected between the L-shaped mounting bracket 11 and the mounting seat 5. The right end of the output shaft of the motor 12 passes through the inner side of the mounting head 2 4 and is fixedly connected to a transmission gear 13. The outer side wall of the output shaft of the motor 12 is located on the inner side of the mounting head 2 4 and is fixedly connected to a toggle gear 14. A rotating rod 15 is rotatably connected to the left side of the mounting head 2 4 through a rotating shaft. The outer side wall of the rotating rod 15 is fixedly connected to a transmission gear 2 16. The transmission gear 13 is meshed with the transmission gear 2 16. The right end of the rotating rod 15 passes through the right side of the mounting head 2 4 and is fixedly connected to a toggle gear 2 17.

[0038] The outer side wall of the shaft column 2 9 is located on the left and right of the mounting plate 2 7 and is fixedly connected with a gear 18 and a gear 2 19 respectively;

[0039] When the device is in use, when the dust suppression cylinder 10 is sprayed with water to suppress dust, the motor 12 can be started to drive the toggle gear 14 and the transmission gear 13 to rotate, and the toggle gear 14 can be used to toggle the gear 18 to rotate, thereby toggling the dust suppression cylinder 10 to swing slightly, so that the dust suppression cylinder 10 can spray water over a wider range, and when the toggle gear 14 is disengaged from the gear 18, the toggle gear 2 17 will contact and transmit with the gear 2 19, so that the dust suppression cylinder 10 can be rotated and reset. In this way, the dust suppression cylinder 10 can rotate back and forth slightly to spray water during the process of spraying water to suppress dust, so that the water spraying is more comprehensive and the dust suppression effect is better.

[0040] like Figure 4 As shown, the storage battery 20 and the charge and discharge controller 21 are fixedly mounted on the inner lower surface of the mounting base 5 from left to right in sequence, and the top of the mounting base 5 is fixedly connected to the solar panel 42;

[0041] Provides power to electrical components in the device.

[0042] like Figure 2 , Figure 5 and Figure 6As shown, the rear surfaces of the two brackets 1 are fixedly connected to a water storage tank 24, the inner left side of the mounting base 5 is fixedly connected to a water pump 25, the input end of the water pump 25 is fixedly connected to the water storage tank 24 by a pumping pipe 26, and the output end of the water pump 25 is connected to the dust suppression cylinder 10 by a drain pipe 27;

[0043] A filter screen 28 is installed on the inner side of the water storage tank 24 by means of bolts;

[0044] It is convenient to collect rainwater, and the water can be pumped out by starting the water pump 25 and discharged from the dust suppression cylinder 10 to reduce dust on the road surface;

[0045] A retaining ring 36 is fixedly connected to the outer wall of the shaft column 18, and a plurality of limiting columns 37 are slidably connected inside the retaining ring 36. A plurality of limiting holes 38 are opened on the left side of the dust suppression cylinder 10. A conical limiting head 39 is fixedly connected to the right end of the limiting column 37 located inside the limiting hole 38. A spring 2 40 is fixedly connected to the opposite side of the conical limiting head 39 and the retaining ring 36 and located outside the limiting column 37.

[0046] A moving piece 41 is slidably connected inside the dust suppression cylinder 10, and a plurality of abutment joints 43 are fixedly connected to the left side of the moving piece 41, and the opposite sides of the plurality of abutment joints 43 respectively penetrate the inner sides of the plurality of limiting holes 38, and a bellows 44 is fixedly connected to the left side of the moving piece 41, and a water spray pipe 45 is fixedly connected to the right end of the bellows 44, and a spring 46 is fixedly connected between the water spray pipe 45 and the dust suppression cylinder 10, and a plurality of water outlet connectors 47 are rollingly installed on the outer wall of the water spray pipe 45, and a plurality of spray heads 48 are rollingly installed on the outer wall of the dust suppression cylinder 10, and the opposite ends of the water outlet connectors 47 and the spray heads 48 are fixedly connected, and the left end of the bellows 44 is rotatably connected to the right end of the drain pipe 27 through a rotating shaft;

[0047] The stop ring 36, the conical stopper 39 and the stopper hole 38 can play a positioning and limiting effect on the rotating dust suppression cylinder 10, and when the dust suppression cylinder 10 is turned, the conical stopper 39 can be detached from the inside of the stopper hole 38, without affecting the rotation of the dust suppression cylinder 10 after being turned;

[0048] During the rotation of the dust suppression cylinder 10, the conical limit head 39 will be repeatedly inserted into or pulled out of the limit hole 38, so that the abutment joint 43 will be repeatedly squeezed, and then under the elastic contraction cooperation of the spring three 46, when the dust suppression cylinder 10 rotates, the water spray pipe 45 will move repeatedly left and right inside the dust suppression cylinder 10, and then under the pulling of the water outlet connecting head 47, the spray head 48 can be driven to swing left and right, further increasing the lateral spraying range and improving the dust suppression effect of water spraying.

[0049] like Figure 3As shown, the bracket 1 is an internal hollow structure, and both sides of the wall panel body 2 are located inside the bracket 1 and fixedly connected with round rods 29, and the round rods 29 are rotatably connected to the bracket 1 through a rotating shaft, and the outer wall of the round rod 29 is fixedly connected with a traction head 30, and both sides of multiple traction heads 30 inside the same bracket 1 are rotatably connected with traction rods 31 through a rotating shaft, and the side of the traction rod 31 away from the traction head 30 is fixedly connected with a fixing piece 1 32, and the inside of the fixing piece 1 32 is slidably connected with a vertical rod 33, and both ends of the vertical rod 33 are fixedly connected with the inner side of the bracket 1 with fixing pieces 2 34, and the opposite sides of the fixing pieces 1 32 and the fixing pieces 2 34 and the outer wall of the vertical rod 33 are fixedly connected with a spring 1 35;

[0050] In the device, a fireproof and soundproof wall is formed by multiple wall panel bodies 2 with a small occupation area to protect both sides of the highway. When the external wind is too strong, the wall panel body 2 can be rotated through the set round rod 29, so that the protective whole composed of multiple wall panel bodies 2 can be opened, thereby avoiding the problem of the entire device being blown away due to excessive wind.

[0051] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A highway fireproof and soundproof wall panel, comprising a bracket (1), characterized in that: The number of the brackets (1) is two, and a plurality of wall panel bodies (2) are arranged between the two brackets (1); The top of the bracket (1) located on the left side of the wall panel body (2) is fixedly connected with a mounting head 1 (3), and the top of the bracket (1) located on the right side of the wall panel body (2) is fixedly connected with a mounting head 2 (4). A mounting seat (5) is fixedly connected between the mounting head 1 (3) and the mounting head 2 (4). The front surface of the mounting head 1 (3) and the front surface of the mounting head 2 (4) are respectively fixedly connected with a mounting plate 1 (6) and a mounting plate 2 (7). The opposite sides of the mounting plate 1 (6) and the mounting plate 2 (7) are respectively rotatably connected with a shaft column 1 (8) and a shaft column 2 (9) via a rotating shaft. The opposite ends of the shaft column 1 (8) and the shaft column 2 (9) are commonly fixedly connected with a dust suppression cylinder (10). An L-shaped mounting frame (11) is fixedly connected to the right side of the interior of the mounting seat (5); a motor (12) is fixedly connected between the L-shaped mounting frame (11) and the mounting seat (5); the right end of the output shaft of the motor (12) passes through the inner side of the second mounting head (4) and is fixedly connected to a transmission tooth (13); the outer wall of the output shaft of the motor (12) is located on the inner side of the second mounting head (4) and is fixedly connected to a toggle tooth (14); a rotating rod (15) is rotatably connected to the left side of the interior of the second mounting head (4) via a rotating shaft; the outer wall of the rotating rod (15) is fixedly connected to a transmission tooth (16); the transmission tooth (13) is meshed with the transmission tooth (16); the right end of the rotating rod (15) passes through the right side of the second mounting head (4) and is fixedly connected to a toggle tooth (17); The outer side walls of the shaft column 2 (9) are located on the left and right sides of the mounting plate 2 (7) and are respectively fixedly connected with gear 1 (18) and gear 2 (19).

2. A highway fireproof and soundproof wallboard according to claim 1, characterized in that: A storage battery (20) and a charge and discharge controller (21) are fixedly mounted on the inner lower surface of the mounting seat (5) in sequence from left to right, and a solar panel (42) is fixedly connected to the top of the mounting seat (5).

3. The highway fireproof and soundproof wallboard according to claim 1, characterized in that: A fixing seat (22) is fixedly connected to the rear surface of the bracket (1), and connecting strips (23) are fixedly connected to the opposite sides of the two brackets (1).

4. The highway fireproof and soundproof wallboard according to claim 1, characterized in that: A water tank (24) is fixedly connected to the rear surfaces of the two brackets (1), a water pump (25) is fixedly connected to the left side of the interior of the mounting seat (5), a water pump pipe (26) is fixedly connected between the input end of the water pump (25) and the water tank (24), and a drainage pipe (27) is connected between the output end of the water pump (25) and the dust suppression cylinder (10).

5. The highway fireproof and soundproof wallboard according to claim 1, characterized in that: A filter screen (28) is detachably mounted on the inner side of the water storage tank (24) by means of bolts.

6. The highway fireproof and soundproof wallboard according to claim 1, characterized in that: The bracket (1) is an internal hollow structure. Round rods (29) are fixedly connected to the bracket (1) on both sides of the wall panel body (2). The round rods (29) are rotatably connected to the bracket (1) via a rotating shaft. A traction head (30) is fixedly connected to the outer wall of the round rod (29). Both sides of multiple traction heads (30) inside the same bracket (1) are rotatably connected to traction rods (31) via a rotating shaft. A fixing plate (32) is fixedly connected to the side of the traction rod (31) away from the traction head (30). A vertical rod (33) is slidably connected to the inside of the fixing plate (32). Both ends of the vertical rod (33) are fixedly connected to the inner side of the bracket (1) with fixing plates (34). A spring (35) is fixedly connected to the outer wall of the vertical rod (33) on the opposite sides of the fixing plate (32) and the fixing plate (34).

7. The highway fireproof and soundproof wallboard according to claim 1, characterized in that: The wall panel body (2) comprises a base plate (201), the front surface and the rear surface of the base plate (201) are both fixedly connected with a sound insulation layer (202), and the side of the sound insulation layer (202) away from the base plate (201) is fixedly connected with a fireproof layer (203).

8. The highway fireproof and soundproof wallboard according to claim 1, characterized in that: The outer wall of the shaft column 1 (8) is fixedly connected with a retaining ring (36), and the interior of the retaining ring (36) is slidably connected with a plurality of limiting columns (37). The left side of the dust suppression cylinder (10) is provided with a plurality of limiting holes (38), and the right end of the limiting column (37) is located inside the limiting hole (38) and is fixedly connected with a conical limiting head (39), and the conical limiting head (39) is on the opposite side of the retaining ring (36) and is fixedly connected with a spring 2 (40) located on the outside of the limiting column (37).

9. The highway fireproof and soundproof wallboard according to claim 4, characterized in that: The dust suppression cylinder (10) is internally slidably connected with a moving plate (41), a plurality of abutment joints (43) are fixedly connected to the left side of the moving plate (41), and the opposite sides of the plurality of abutment joints (43) respectively penetrate the inner sides of the plurality of limiting holes (38), a bellows (44) is fixedly connected to the left side of the moving plate (41), a water spray pipe (45) is fixedly connected to the right end of the bellows (44), a spring three (46) is fixedly connected between the water spray pipe (45) and the dust suppression cylinder (10), a plurality of water outlet connectors (47) are rollingly mounted on the outer side wall of the water spray pipe (45), a plurality of spray heads (48) are rollingly mounted on the outer side wall of the dust suppression cylinder (10), the water outlet connectors (47) are fixedly connected to the opposite ends of the spray heads (48), and the left end of the bellows (44) is rotationally connected to the right end of the drainage pipe (27) via a rotating shaft.

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